Thousands of meters below the ocean's surface lurk some gigantic creatures, much larger than their shallow-water brethren. Scientists have a few hunches for why this happens, but the debate continues.

Scientists say sea monster is a new kind of animal. This unidentified specimen belonging within Relicanthidae is a sea creature that was previously thought to be a giant sea anemone (order Actiniaria) ...

The deep sea, a realm of perpetual darkness, crushing pressure, and cold temperatures, is home to some of the most unusual and mysterious creatures on Earth. Recent discoveries have unveiled a host of ...

Wondering about the world's weirdest sea creatures? We've compiled this list of the 20 weirdest animals in the ocean to show ...

The La Jolla-based Scripps Institution of Oceanography is no stranger to getting calls from the public with questions about marine species found along local shores. Some callers wonder what something ...

For all of humanity’s ventures to outer space, we’ve yet to see 99.999% of the deep-sea floor. In the latest subaquatic news, researchers discovered some 4,000 marine species, 88% of which were new ...

Researchers in Hawaii discovered four new species of sponge. Getty Images/iStockphoto Researchers in Hawaii used structures that mimic coral reefs to study aquatic life — and they found four new ...

The deep sea also harbours some of the most intriguing and alien-like species in existence, yet for several centuries, these ...